Institute Newton C. Braga

Circuit Bench

Voltage Follower (CB16230E)
The circuit shown in the figure is a voltage follower, that is, an amplifier with unit gain. The...
Motion control for DC motors (CB23715E)
A little more complex than the previous one, and can now be called a shield, this circuit can be...
High Impedance Tone Control (CB14848E)
We found this circuit in a 1982 documentation. It uses a CA3140 or equivalent operational...